| piercing(adjective, cool, severe, keen, sharp) |
| algid(adjective, cool, severe, keen, sharp) |
| below zero(expression, cool, severe, keen, sharp) |
| chilly(adjective, cool, severe, keen, sharp) |
| fresh |
| frozen(adjective, cool, severe, keen, sharp) |
| ice-cold(adjective, cold) |
| keen(adjective, cool, severe, sharp, intense) |
| nippy(adjective, cool, severe, keen, sharp) |
| raw(adjective, cool, severe, keen, sharp) |
| sleety(adjective, cool, severe, keen, sharp) |
| summer |
| wintery |
| below freezing(expression, cool, severe, keen, sharp) |
| bleak(adjective, cool, severe, keen, sharp) |
| brisk(adjective, cool, severe, keen, sharp) |
| chill(adjective, cool, severe, keen, sharp) |
| crisp(adjective, cool, severe, keen, sharp) |
| frore(adjective, cool, severe, keen, sharp) |
| have goose bumps(expression, idiom, cool, severe, keen) |